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| author | Denys Vlasenko | 2010-08-29 14:36:11 +0200 |
|---|---|---|
| committer | Denys Vlasenko | 2010-08-29 14:36:11 +0200 |
| commit | 9ce07e778f05719115f354d4907f51295fb3fd1a (patch) | |
| tree | 1f204121b58c0a86904e376d2fc6b08f9c3ce881 /miscutils/bbconfig.c | |
| parent | 7715b48c36a453b41f4555ee57c2f936e25f06f1 (diff) | |
| download | busybox-9ce07e778f05719115f354d4907f51295fb3fd1a.zip busybox-9ce07e778f05719115f354d4907f51295fb3fd1a.tar.gz | |
bbconfig: add COMPRESS_BBCONFIG option
function old new delta
bbconfig_config_bz2 - 4905 +4905
bbconfig_main 13 70 +57
bbconfig_config 21811 - -21811
------------------------------------------------------------------------------
(add/remove: 1/1 grow/shrink: 1/0 up/down: 4962/-21811) Total: -16849 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'miscutils/bbconfig.c')
| -rw-r--r-- | miscutils/bbconfig.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/miscutils/bbconfig.c b/miscutils/bbconfig.c index 0d649b4..2860771 100644 --- a/miscutils/bbconfig.c +++ b/miscutils/bbconfig.c @@ -3,10 +3,32 @@ */ #include "libbb.h" #include "bbconfigopts.h" +#if ENABLE_FEATURE_COMPRESS_BBCONFIG +# include "unarchive.h" +# include "bbconfigopts_bz2.h" +#endif int bbconfig_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int bbconfig_main(int argc UNUSED_PARAM, char **argv UNUSED_PARAM) { +#if ENABLE_FEATURE_COMPRESS_BBCONFIG + bunzip_data *bd; + int i = start_bunzip(&bd, + /* src_fd: */ -1, + /* inbuf: */ (void *)bbconfig_config_bz2, + /* len: */ sizeof(bbconfig_config_bz2)); + /* read_bunzip can longjmp to start_bunzip, and ultimately + * end up here with i != 0 on read data errors! Not trivial */ + if (!i) { + /* Cannot use xmalloc: will leak bd in NOFORK case! */ + char *outbuf = malloc_or_warn(sizeof(bbconfig_config)); + if (outbuf) { + read_bunzip(bd, outbuf, sizeof(bbconfig_config)); + full_write1_str(outbuf); + } + } +#else full_write1_str(bbconfig_config); +#endif return 0; } |